{"id":"MAL-2026-1987","summary":"Malicious code in composer-dev (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (7be3393e5cd932abe1668adaa58f526e25b1a6ab2ef4945eadeb60e68493c7ef)\nInstalling the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.\n\n\n---\n\nCategory: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.\n\n\nCampaign: GENERIC-standard-pypi-install-pentest\n\n\nReasons (based on the campaign):\n\n\n - The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.\n\n\n - The package overrides the install command in setup.py to execute malicious code during installation.\n","modified":"2026-03-20T11:31:55.167808Z","published":"2026-03-20T10:32:56Z","database_specific":{"malicious-packages-origins":[{"import_time":"2026-03-20T11:14:51.081944594Z","source":"kam193","versions":["9.9.9"],"id":"pypi/GENERIC-standard-pypi-install-pentest/composer-dev","sha256":"7be3393e5cd932abe1668adaa58f526e25b1a6ab2ef4945eadeb60e68493c7ef","modified_time":"2026-03-20T10:32:56.616404Z"}]},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/composer-dev"}],"affected":[{"package":{"name":"composer-dev","ecosystem":"PyPI","purl":"pkg:pypi/composer-dev"},"versions":["9.9.9"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/composer-dev/MAL-2026-1987.json"}}],"schema_version":"1.7.5","credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"REPORTER"}]}